A jury found Hanyel Leon-Gomez guilty of manslaugher Tuesday in the killing of 25-year-old Deandre Wilson.
The shooting happened at what was formerly The Library Bar in Denton in December 2016.
The incident occurred after 1:30 a.m. and police found Wilson dead at the scene when they arrived.
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The shooting followed a fight between two separate groups, one with three men, the other with two, according to investigators.